Yaqub, Uzma, and Asif Hanif. “Balloon Tamponade With Foleys Catheter : An Effective Method of Controlling Post Partum Haemorrahage (PPH)”. Annals of King Edward Medical University, vol. 16, no. 4, May 2011, p. 295, doi:10.21649/akemu.v16i4.249.